2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72867We present a sufficient condition that a pseudointegrable system has weak mixing property. The result is derived from Veech's weak mixing theorem for interval exhange [Veech, W.A. Amer.J.Math. {\bf 106}, 1331 (1984)]. We also present an example whose weak mixing property can be proved by the result.11 pages, 2 figuresDynamical Systemstext